/**
 * Created by Administrator on 2018/7/31 0031.
 */
function getStr($data) {
    if($data){
        return $data;
    }else {
        return '';
    }
}
function getImg($data) {
    if($data){
        return '<img src="/static/img/'+$data+'" width="50"/>'
    }else{
        return '';
    }
}